【ASP.NET】 Gridview合并单元格

View Code

  1 using System;

  2 using System.Collections.Generic;

  3 using System.Linq;

  4 using System.Web;

  5 using System.Web.UI.WebControls;

  6 /// <summary>

  7 ///GridviewProcess 处理Griedview合并

  8 /// </summary>

  9 public class GridviewProcess

 10 {

 11     public GridviewProcess()

 12     {

 13         //

 14         //TODO: 在此处添加构造函数逻辑

 15         //

 16     }

 17     #region 合并单元格 合并某一行的所有列

 18     ///　 <summary>　 

 19     ///　 合并GridView中某行相同信息的行（单元格） 

 20     ///　 </summary>　 

 21     ///　 <param　 name="GridView1">GridView对象</param>　 

 22     ///　 <param　 name="cellNum">需要合并的行</param> 

 23     public static void GroupRow(GridView GridView1, int rows)

 24     {

 25         TableCell oldTc = GridView1.Rows[rows].Cells[0];

 26         for (int i = 1; i < GridView1.Rows[rows].Cells.Count; i++)

 27         {

 28             TableCell tc = GridView1.Rows[rows].Cells[i];　 //Cells[0]就是你要合并的列 

 29             if (oldTc.Text == tc.Text)

 30             {

 31                 tc.Visible = false;

 32                 if (oldTc.ColumnSpan == 0)

 33                 {

 34                     oldTc.ColumnSpan = 1;

 35                 }

 36                 oldTc.ColumnSpan++;

 37                 oldTc.VerticalAlign = VerticalAlign.Middle;

 38             }

 39             else

 40             {

 41                 oldTc = tc;

 42             }

 43         }

 44     }

 45     #endregion

 46     #region 合并单元格 合并一行中的几列

 47     /// <summary> 

 48     /// 合并单元格 合并一行中的几列 

 49     /// </summary> 

 50     /// <param name="GridView1">GridView ID</param> 

 51     /// <param name="rows">行</param> 

 52     /// <param name="sCol">开始列</param> 

 53     /// <param name="eCol">结束列</param> 

 54     public static void GroupRow(GridView GridView1, int rows, int sCol, int eCol)

 55     {

 56         TableCell oldTc = GridView1.Rows[rows].Cells[sCol];

 57         for (int i = 1; i < eCol - sCol; i++)

 58         {

 59             TableCell tc = GridView1.Rows[rows].Cells[i + sCol];　 //Cells[0]就是你要合并的列 

 60             tc.Visible = false;

 61             if (oldTc.ColumnSpan == 0)

 62             {

 63                 oldTc.ColumnSpan = 1;

 64             }

 65             oldTc.ColumnSpan++;

 66             oldTc.VerticalAlign = VerticalAlign.Middle;

 67         }

 68     }

 69     #endregion

 70     #region 合并单元格 合并某一列所有行

 71     /// <summary> 

 72     /// 合并GridView中某列相同信息的行（单元格） 

 73     /// </summary> 

 74     /// <param name="GridView1"></param> 

 75     /// <param name="cellNum"></param> 

 76     public static void GroupCol(GridView GridView1, int cols)

 77     {

 78         if (GridView1.Rows.Count < 1 || cols > GridView1.Rows[0].Cells.Count - 1)

 79         {

 80             return;

 81         }

 82         TableCell oldTc = GridView1.Rows[0].Cells[cols];

 83         for (int i = 1; i < GridView1.Rows.Count; i++)

 84         {

 85             TableCell tc = GridView1.Rows[i].Cells[cols];

 86             if (oldTc.Text == tc.Text)

 87             {

 88                 tc.Visible = false;

 89                 if (oldTc.RowSpan == 0)

 90                 {

 91                     oldTc.RowSpan = 1;

 92                 }

 93                 oldTc.RowSpan++;

 94                 oldTc.VerticalAlign = VerticalAlign.Middle;

 95             }

 96             else

 97             {

 98                 oldTc = tc;

 99             }

100         }

101     }

102     #endregion

103     #region 合并单元格 合并某一列中的某些行

104     /// <summary> 

105     /// 合并单元格 合并某一列中的某些行 

106     /// </summary> 

107     /// <param name="GridView1">GridView ID</param> 

108     /// <param name="cellNum">列</param> 

109     /// <param name="sRow">开始行</param> 

110     /// <param name="eRow">结束列</param> 

111     public static void GroupCol(GridView GridView1, int cols, int sRow, int eRow)

112     {

113         if (GridView1.Rows.Count < 1 || cols > GridView1.Columns.Count - 1)

114         {

115             return;

116         }

117         TableCell oldTc = GridView1.Rows[sRow].Cells[cols];

118         for (int i = 1; i < eRow - sRow; i++)

119         {

120             TableCell tc = GridView1.Rows[sRow + i].Cells[cols];

121             tc.Visible = false;

122             if (oldTc.RowSpan == 0)

123             {

124                 oldTc.RowSpan = 1;

125             }

126             oldTc.RowSpan++;

127             oldTc.VerticalAlign = VerticalAlign.Middle;

128         }

129     }

130     #endregion

131 }

这是专门处理gridview的一个类，可以单独取出对自己有用的代码！

方法事列：

     Griedview1.DataSource = dt;

     Griedview1.DataBind();  

      GroupCol(Griedview1, 0);

注：在从列或者行开始的数字 是从0开始的！